If you're looking for a reliable solution to seal your laboratory glassware, the 10 Pack Tapered White Rubber Stoppers with Hole are just what you need. These stoppers are designed to fit snugly into different sizes of openings, ensuring a tight seal that helps prevent spills and contamination. Made from durable rubber, they're built to last and handle a range of temperatures and chemicals, making them perfect for experiments and storage alike.
One of the biggest perks of these stoppers is the hole in the middle. This feature allows you to insert a thermometer, stirring rod, or other instruments without losing that airtight seal. With ten stoppers in a pack, you'll have more than enough to tackle multiple projects at once. Whether you’re in a research lab, a school setting, or just a science enthusiast at home, these stoppers are an essential addition to your supplies.